RF Filters for Mobile Communication, Wireless Connectivity, SatNav & SatCom, Aerospace & Defense, and Broadcast & Media
Since 1979, Wainwright Instruments has specialized in high-performance RF Filters, offering a comprehensive portfolio of Low Pass Filters, High Pass Filters, Band Pass Filters, Band Reject / Notch Filters, Tunable Band Pass Filters, Tunable Band Reject / Notch Filters, Absorptive Filters, as well as multiplexing solutions including Monoplexers, Diplexers, Duplexers, Triplexers and Multiplexers for demanding RF and microwave systems. Our products are widely used in commercial, industrial, scientific and defense applications.
Standard Filters
Custom Filters
For requirements beyond standard configurations, use our custom filter forms or contact our sales team to discuss tailored solutions optimized for performance, size, and environmental constraints.
News
Introducing our Evanescent Mode Ridge Waveguide Bandpass Filters
About Us Wainwright Instruments GmbH has been developing and manufacturing […]
Interdigital Resonators in Wideband Ridged-Waveguide Filters
About Us Wainwright Instruments GmbH has been developing and manufacturing […]
Joint project 5G6G30 – GRF filters for 5G/6G frequencies above 30 GHz
About Us Wainwright Instruments GmbH has been developing and manufacturing […]
Why Wainwright
Wainwright combines a strong focus on collaborating closely with our customers’ engineers for custom-designed solutions with a powerful online database of standard filter designs. This database allows users to quickly select proven, reproducible filters and adjust key parameters such as frequency and bandwidth within defined ranges, while maintaining the same mechanical design and price.
For each configuration, a complete datasheet with guaranteed specifications, dimensions and pricing can be generated instantly online. Transparency is a core part of our sales model and sets us apart from most competitors. By publishing pricing alongside technical data for all standard products, engineering and procurement teams can evaluate, compare and share solutions internally—without delays or sales interaction.
All our products are developed and manufactured in our single location in Germany, ensuring consistent quality, engineering precision and short communication paths between design and production. Our quality promise is built on decades of experience, continuous investment in human talent, and the ongoing refinement of our design and manufacturing processes to meet increasingly demanding performance requirements and tighter tolerances.





















